December in El Kef averages a daily high of 16.9°C with nights around 6.9°C. Expect roughly 12.5 wet days totalling 65.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit El Kef is March–May.
Based on JENDOUBA, TS (35.1km), 1995–2024. 11 years of December data.